Arcosa, Inc.: CFO Gail M. Peck sold 128,956 shares

What happened

• Gail M. Peck, chief financial officer, disposed of 128,956 shares to the issuer at $150.00 per share on Oct 23, 2026 for $19,343,400 and was granted or acquired 43,264 shares at $0.00 on the same date.

Key details

• Transaction dates and prices: Oct 23, 2026 — award/acquisition (A) 43,264 shares @ $0.00; Oct 23, 2026 — disposition to issuer (D) 128,956 shares @ $150.00.
• Total proceeds reported for the sale: $19,343,400.
• Shares owned after the transaction: Not reported in the filing.
• Footnotes:
  • F1: The 43,264 shares represent the vesting of restricted stock units subject to performance criteria under the Agreement and Plan of Merger dated Jun 21, 2026.
  • F2: The 128,956 shares were disposed of pursuant to the Merger Agreement in exchange for a cash payment of (i) $150.00 per share of common stock and (ii) $150.00 per share of common stock underlying awards of restricted stock and restricted stock units, as applicable, plus any accrued but unpaid dividend equivalents.
• Filing date: Oct 23, 2026. The filing does not indicate it was late.

Why it may matter

• The disposition was made to the issuer under the Merger Agreement for cash consideration rather than an open-market sale; the award reflects vesting of restricted stock units tied to the merger.
• This filing does not show why the insider traded or why the company acted.